Hair bow



FIG. 1 is a bottom front perspective view of a hair bow showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right end elevational view thereof; and,

FIG. 4 is a bottom rear perspective view thereof.

The undisclosed sides of the design follow the contours of the sides shown. 

The ornamental design for a hair bow, as shown and described. 